I can say that your shotgun being marked with J Stevens Arms and Tool Co.indicates that it was made from 1886-1916.That marking was only used during these years of production.
If it is not marked on the barrel, you should have a gunsmith measure the chamber length.
I can say that the marking stevens Arms and Tool company was marked on stevens made firearms from 1886-1915.This time period would include your double barrel shotgun.As to value that would dpend on your shotgun having steel barrel or Damascus twist steel barrel(BLACKPOWDER ONLY).The ovreall condition would also be important.
They came in various barrel lengths and choke combinations. If it is not marked on the side of the barrel, you will have to pattern the shotgun to determine the choke
$35 to $75, depending on condition.
410 shells only and only what the barrel is marked for.
Depends on what is marked on the gun.
The current Barrett Firearms does not make a double shotgun. Exactly how is your gun marked?
Exactly how is the shotgun marked (all markings), and double-check the serial number. sales@countrygunsmith.net
The Model 335 was made from 1912 to 1931. I know of no serial number breakdown by year. sales@countrygunsmith.net
Shotguns are described by GAUGE not caliber. Most are marked on the barrel as to the gauge and correct ammuntion for use.
suggest you contact: wellsfargohistory.com for shotgun history/value